Advanced Attacks Demand New Defenses

Security threat and response is a vicious circle of escalating (and increasingly cagey) attacks and sophisticated (and increasingly costly) defenses. The latest generation of malware includes deviously creative evasive techniques crafted to exploit ambiguities in the Internet's underlying technology, flaws in network software stacks, and limitations of security appliances. In this report, we discuss these techniques, how IT teams can test their level of exposure, and how to detect and block attacks using advanced packet normalization.